Asus Z87A Computer Hardware User Manual


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ASUS Z87-A
Active Processor Cores [All]
Allows you to choose the number of CPU cores to activate in each processor package.

Limit CPUID Maximum [Disabled]
When set to [Enabled], this item allows the legacy OS to boot even without support for CPUs
with extended CPUID functions.

Execute Disable Bit [Enabled]

with a supporting OS (SuSE Linux 9.2, RedHat Enterprise 3 Update 3).

Intel Virtualization Technology [Disabled]
When set to [Enabled]
Vanderpool Technology.

Hardware Prefetcher [Enabled]
Allows you to enable or disable the Mid Level Cache (L2) streamer prefetcher.

Adjacent Cache Line Prefetch [Enabled]
Allows you to enable or disable the Mid Level Cache (L2) prefetching of adjacent cache lines.

Boot Performance Mode [Max Non-Tu...]
Allows you to select the performance state that the BIOS will set before OS handoff.

Dynamic Storage Accelerator [Disabled]


CPU Power Management Conguration

Enhanced Intel SpeedStep Technology [Enabled]
Allows your system to adjust the processor’s voltage and cores frequency, resulting in
decreased power consumption and heat production.
[Disabled] The CPU runs at its default speed.
[Enabled] The system controls the CPU speed.
Turbo Mode [Enabled]
Allows you to automatically set the processor cores to run faster than the base


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